CN214594348U

CN214594348U - Double-layer transparent frustum-shaped mask

Info

Publication number: CN214594348U
Application number: CN202120956539.XU
Authority: CN
Inventors: 张跃杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-15
Filing date: 2021-05-07
Publication date: 2021-11-05
Anticipated expiration: 2031-05-07
Also published as: US20220096879A1; WO2021231256A1; CN113197377A; US11364397B2

Abstract

The utility model provides a double-layer transparent frustum mask, which comprises a mask body and a filter layer, wherein the mask body is of an inner and outer double-layer structure, and a transparent thin plastic outer frustum body is overlapped on a transparent thin plastic inner frustum body to form a frameless body; the side surfaces of the inner and outer transparent thin plastic frustum bodies are provided with openings, and the filter layers are clamped in the double-layer structures of the left side surface, the right side surface and the bottom surface and are used for realizing the flowing and filtering of air flow entering the mask body. The non-covered body without the retained filter material provides visible front and top portions, and the portion with the retained filter material forms non-visible left, right and bottom portions; the attached soft sealing strip in edge along inside and outside transparent thin cone is compressed tightly the face by inside and outside cone, through above-mentioned structural design, the utility model provides a gauze mask not only provides filtering capability, but also can perspective, but above-mentioned all part cooperations form a matching and sealed respiratory, act as filtration and perspective medical grade respiratory protection device.

Description

Double-layer transparent frustum-shaped mask

Technical Field

The utility model relates to a personal protection device technical field, more specifically say, in particular to double-deck transparent frustum body gauze mask.

Background

The mask is a sanitary article, and is generally worn on the mouth and nose for filtering air entering the mouth and nose so as to achieve the effect of blocking harmful gas, smell, spray, virus and other substances.

The mask can be generally divided into a common protective mask and a medical protective mask, the main body of the common protective mask is generally made of one or more layers of fabrics, the fabrics are mostly opaque breathable materials, the main body of the medical protective mask is composed of multiple layers of non-woven fabrics (usually polypropylene non-woven fabrics) and is of a frameless structure, and the protection grades of the two types of masks are low.

In order to meet the requirements of higher protection, the prior art also provides a respirator, which comprises a face mask, wherein a filter structure is arranged between an inner layer and an outer layer of the face mask, the filter structure can be divided into a pre-filter layer and a filter layer, the pre-filter layer is generally made of needle-punched non-woven fabrics, and plastic fibers in the pre-filter layer can realize thermal bonding in the rolling process of a high-pressure heating roller through thermal rolling of the pre-filter layer, so that the pre-filter layer can be thicker and harder to mold into a required shape, and meanwhile, a set shape can be kept in the face mask.

In the case of respirators, which must fit the face of the wearer, as the mask and prefilter layer can be considered as hard materials, they must be worn with a high level of holding force (tightening force) to ensure that the mask fits perfectly to the wearer's face, which can be uncomfortable for the wearer. In addition, because the respirator is worn on the face of the user, the breathing surface (the surface of the face shield through which airflow can pass) provided by the respirator is only about 50% of the surface area of the front face of the respirator, and other surfaces are used as the support surface and the seal, which results in a relatively small breathing accommodation space between the face of the user and the respirator, which results in inefficient dissipation of exhaled moisture and heat, and the more moisture, heat and pressure are accumulated, the greater the breathing resistance of the user, which further reduces the comfort of the user.

SUMMERY OF THE UTILITY MODEL

Problem (A)

In view of the above, it is an urgent need to solve the problem of providing a mask device with a large breathing area, comfortable wearing and excellent sealing effect.

(II) technical scheme

The utility model provides a double-layer transparent frustum body mask, which has the following specific structure.

Double-deck transparent frustum body gauze mask includes: the mask body is used for covering the face of a user and comprises an outer frustum body and an inner frustum body, the outer frustum body is arranged on the outer side of the inner frustum body, the mask body comprises a front surface, a top surface, a side surface and a bottom surface, a filter layer is arranged between the outer frustum body and the inner frustum body and at a position corresponding to the side surface and/or the bottom surface to form an invisible structure, and the front surface and the top surface of the mask body are of visible structures; the outer frustum body and the inner frustum body are both made of hard materials and form a frame-free structure capable of keeping the structure of the outer frustum body and the inner frustum body unchanged.

Preferably, in the double-layer transparent frustum-shaped mask provided by the utility model, the position of the outer frustum-shaped mask, which is correspondingly provided with the filter layer, is provided with an outer frustum-shaped filter hole; the inner cone frustum body is provided with a filter hole corresponding to the filter layer.

Preferably, in the utility model provides an among the double-deck transparent frustum body gauze mask, the inboard outer fringe of interior frustum body be used for with user's facial laminating, in be provided with flexible sealing strip in the inboard outer fringe of interior frustum body.

Preferably, in the double-layer transparent frustum body mask provided by the utility model, the outer side surface of the sealing strip is provided with an anti-sensitive layer; the anti-sensitive layer is a Bundy cloth layer or anti-sensitive silica gel.

Preferably, in the utility model provides a double-deck transparent frustum body gauze mask, in the inboard of interior frustum body corresponds be provided with on the position of bottom surface can block user's chin, be used for right wearing of double-deck transparent frustum body gauze mask carries out spacing dog.

Preferably, in the double-layer transparent frustum mask provided by the present invention, the filter layer is of a multi-layer non-woven fabric structure.

Preferably, in the double-layered transparent frustum-shaped mask provided by the present invention, at least two elastic bands are disposed on the mask body.

Preferably, in the double-layer transparent frustum mask provided by the present invention, the inner frustum and the outer frustum are made of plastic; the sealing strip is made of rubber or sponge; the filter layer is made of electrostatic non-woven polypropylene fibers.

Preferably, in the double-layer transparent frustum-shaped mask provided by the present invention, a visible mask plate is disposed outside the mask body and on the upper side of the mask body.

(III) advantageous effects

Through the structure design, the utility model provides a transparent, antifog, personal protection mask that has high leakproofness of certainly, according to its structural design, also can extend to on the medical respirator. The utility model discloses in, make multilayer filter material into the filter layer, with two structure similarities and transparent, have certain structural strength's cone as interior frustum and outer frustum, interior frustum can the fixed filter layer of centre gripping after stacking with outer frustum to construct a confined space as breathing space. The filtering layer is an opaque filtering material and is clamped between the inner frustum body and the outer frustum body at the positions corresponding to the bottom surface and the two side surfaces of the cover body, so that the cover body is of a structure with a transparent upper half part and a non-transparent lower half part. In the shell, the upper half part is a transparent cone which is not blocked by the filtering material (filtering layer), and the visible area is positioned at the top and the front (the visible top surface and the visible front), so that the face of a user can be seen very clearly, and communication is convenient. The latter half of casing is sheltered from by filtering material, forms not opaque region, and filtering layer part can increase filter area on left surface, right flank and bottom surface. The sealing strip of setting on the casing is not only thick but also soft, and flexible deformation takes place for user's facial profile, and the travelling comfort is worn in the improvement to user's face of laminating more, can also improve the leakproofness. The sealing strip may be located under the eyes to protect the mouth and nose, or above the eyebrows on the forehead to protect the entire face of the user, including the mouth, nose and eyes. Set up the dog in the double-deck shell on the frustum body, can coat the cloth on the dog, block user's chin by the dog, thereby it is right the utility model discloses a wear and carry on spacingly. Through the setting of sealing strip and dog, can be with the utility model discloses the setting is in exact position to make filtering material and plastics not contact with skin, provide the travelling comfort, favourable skin allergy person. The utility model provides a respirator not only provides filtering capability, but also can see through, and the cooperation of above-mentioned all parts forms an inclosed respiratory, acts as the medical respiratory protection device of filtration and perspective.

Drawings

Fig. 1 is a schematic structural view of a double-layer transparent frustum mask in an embodiment of the present invention;

fig. 2 is an exploded view of the mask with a double-layer transparent frustum in the embodiment of the present invention;

fig. 3 is a top view of the mask with a double-layer transparent frustum in the embodiment of the present invention;

fig. 4 is a side view of the mask with a double-layer transparent frustum in the embodiment of the present invention;

fig. 5 is a schematic structural diagram of the cover body in the embodiment of the present invention.

In fig. 1 to 5, the correspondence between the part names and the reference numbers is:

the device comprises a sealing strip 1, an inner cone frustum body 2, an inner filter layer 3, a middle filter layer 4, an outer filter layer 5, an outer cone frustum body 6, a stop dog 7, an elastic band 8, a visible face shield plate 9 and a scanning code 10.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 5, fig. 1 is a schematic structural view of a dual-layer transparent frustum mask according to an embodiment of the present invention; fig. 2 is an exploded view of the mask with a double-layer transparent frustum in the embodiment of the present invention; fig. 3 is a top view of the mask with a double-layer transparent frustum in the embodiment of the present invention; fig. 4 is a side view of the mask with a double-layer transparent frustum in the embodiment of the present invention; fig. 5 is a schematic structural diagram of the cover body in the embodiment of the present invention.

The utility model provides a double-layer transparent frustum body mask, the main structure of which comprises the following components.

1. Shell body

The shell is formed by assembling an inner frustum body 2 and an outer frustum body 6, the inner frustum body 2 and the outer frustum body 6 are both made of transparent (can be colored, but the colored color should be kept transparent) hard material supports, preferably plastic, and the inner frustum body 2 and the outer frustum body 6 are both made of transparent, thin (the thickness is about 1-2 mm) plastic with certain structural strength.

The inner frustum body 2 and the outer frustum body 6 are similar in structure, and the inner frustum body 2 needs to be sleeved on the outer side of the outer frustum body 6, so that a transparent shell with a double-layer structure is formed.

For ease of structural description, the housing may generally comprise a front face, side faces, a top face, and a bottom face. A gap is reserved between the inner frustum body 2 and the outer frustum body 6, filter layers are arranged at positions corresponding to the side faces and the bottom face, and the filter layers are clamped between the inner frustum body 2 and the outer frustum body 6.

The utility model discloses wear user's even, the casing is used for covering user's face, and the edge of casing and user's facial contact realize edge seal through setting up sealing strip 1, and the inboard edge of frustum body 2 including sealing strip 1 sets up.

After the shell is worn on the face of a user, a breathing space can be formed between the shell and the face of the user, and the filtered fresh air is exchanged with the air exhaled by the user, so that fresh and clean air is provided for the user.

In the using state, or in the main visual angle, the front of the shell is vertically arranged and keeps a certain distance with the face of a user, and the top surface, the left side surface, the right side surface and the bottom surface are all positioned on the same side (inner side surface) of the front. The top surface is horizontally arranged or has a certain included angle (the included angle is between 5 and 15 degrees) with the horizontal plane, the top surface is arranged at the upper edge of the front surface, the front edge of the top surface is connected with the top edge of the front surface, and the two side edges of the top surface are respectively connected with the top edges of the left side surface and the right side surface.

The rear edge of the top surface is designed into a smooth curved edge structure according to the ergonomics according to the wearing condition of the respirator, and is matched with the contour of the face of a user contacted with the rear edge of the top surface, so that the use comfort of the respirator can be improved, and the wearing tightness of the respirator can be improved.

The left surface and the right surface are vertically arranged, the left surface is located on the left side of the shell, the top edge of the left surface is connected with one side edge of the top surface, the front edge of the left surface is connected with one side edge of the front surface, the right surface is located on the right side of the shell, the top edge of the right surface is connected with the other side edge of the top surface, and the front edge of the right surface is connected with the other side edge of the front surface. The bottom surface is horizontally arranged or forms a certain included angle (the included angle is between 5 degrees and 15 degrees) with the horizontal plane, two sides of the bottom surface are connected with the bottom edges of the left side surface and the right side surface, and the front edge of the bottom surface is connected with the front surface.

Top surface, left surface, bottom surface and right flank connect gradually and form the cone structure with preceding, can effectively increase the breathing space of respirator like this, reduce respiratory pressure, improved the travelling comfort that the respirator used.

In above-mentioned structural design, preceding and top surface are transparent visual structure, so not only can improve the security when the user wears, can also leak user's face to the maximize, convenient interchange.

The inner and outer layers of the housing (inner cone 2 and outer cone 6) are preferably made of plastics material, but may of course also be made of polycarbonate. The inner frustum 2 and the outer frustum 6 have both an air-tight, apertured upper front portion and air-permeable, apertured side bottom portions. The utility model discloses in, the left surface, the right flank and the bottom surface of interior frustum 2 and outer frustum 6 all have trompil (filtration pore), can make like this that the respirator outside air enters into the respirator through the filter layer faster inside, improve respiratory smooth and easy degree.

Further, in the preferred embodiment of the present invention, the inner layer structure and the outer layer structure of the left side surface, the right side surface and the bottom surface are uniformly provided with filtering holes.

In the above structure design, the utility model discloses be bilayer structure with left surface, right flank and bottom surface design for realize the fixed mounting of filter layer. Further, the utility model discloses be bilayer structure with the casing design, the casing is including the same interior frustum 2 of cone and outer frustum 6 of cone of structure, and interior frustum 2 sets up the inboard at outer frustum 6 of cone, and interior frustum 2 can overlap and leave the clearance with outer frustum 6 of cone together, so not only can improve the structural strength of casing, still more makes things convenient for the installation of filter layer, and the transparent antifog effect of bilayer.

After the user's face was worn to the casing, the inboard outer fringe part of casing and user's facial contact and laminating, in order to improve the utility model discloses the travelling comfort and the leakproofness of wearing, the utility model discloses be provided with flexible sealing strip 1 in the outer fringe of casing, sealing strip 1 is made by rubber, sponge or anti-sensitive silica gel, and sealing strip 1 clamps the outer fringe of casing, and the casing passes through sealing strip 1 and user facial contact, through sealing strip 1's flexible deformation, reaches the purpose that improves the respirator and wear travelling comfort and leakproofness.

The utility model provides a gauze mask wears the back, in order to improve its stability of wearing, the utility model discloses be provided with in the inboard of casing (interior frustum 2) and lie in and be provided with on the bottom surface and can block user's chin, be used for carrying out spacing dog 7 to wearing of double-deck transparent frustum gauze mask. The baffle 7 is arranged on the inner side surface of the inner frustum body 2, the baffle 7 is of a convex structure with a smooth surface, and further, the baffle 7 is integrally formed on the inner side of the shell, specifically on the inner frustum body 2 of the shell. Of course, the stopper 7 may also be made of silica gel, and the stopper 7 is fixed on the inner side surface of the housing by gluing.

Specifically, the utility model discloses an in a preferred embodiment, left surface, bottom surface and right flank connect gradually and form the identical arc plate structure of user's chin profile shape, and this structural design can improve the utility model discloses the travelling comfort of wearing can also improve the utility model discloses the leakproofness of wearing.

The filter layer is of a multi-layer structure and comprises an inner filter layer 3, an intermediate filter layer 4 and an outer filter layer 5 which are laminated together.

Specifically, the filter layer is made of electrostatic non-woven polypropylene fibers. In this embodiment, the filter layer has a multilayer structure to improve the gas filtering effect, and the filter layer is designed with three to four layers as the optimal layer number (as described above, the filter layer includes the inner filter layer 3, the middle filter layer 4, and the outer filter layer 5).

The utility model discloses be provided with two at least elastic cords 8 on the casing for realize wearing of gauze mask (or respirator).

For protection of air droplets, the eyes of a person should be shielded and protected, and in the prior art, goggles are generally used. Then, wearing the respirator and the goggles simultaneously not only causes mutual interference of the two protective devices, but also increases the wearing burden of the user, thereby causing the reduction of comfort and protective performance. In order to solve the above problem, the utility model discloses can adopt following two configuration optimization schemes: 1. the area of the front face is increased, so that the front face can cover the whole face (including mouth, nose and eyes) of a user; 2. be provided with visual face shield plate 9 in the outside of casing and the upside that is located the casing, visual face shield plate 9 is vertical to be set up, and visual face shield plate 9 can be the arc, more can laminate user's face like this, improves its barrier propterty. In the embodiment provided with a viewing mask plate 9, the viewing mask plate 9 is made of a transparent, hard material, for example plastic.

The utility model provides a transparent, antifog, medical respirator that has high leakproofness. The utility model discloses in, make multilayer filter material into the filter layer, regard two transparent cones as interior frustum 2 and outer frustum 6, interior frustum 2 can fix the filter layer after 6 stacks with outer frustum to construct a confined space as breathing space. The filter layer is of an opaque structure and is clamped at the bottom surface and the two side surfaces of the shell, so that the shell is of a structure with a transparent upper half part and a non-transparent lower half part. In the shell, the upper half part is a transparent cone which is not blocked by the filtering material (filtering layer), and the visible area is positioned at the top and the front (the top surface and the front), so that the face of a user can be seen very clearly, and communication is convenient. The latter half of casing is sheltered from by filtering material, forms not opaque region, and filtering layer part can increase filter area on left surface, right flank and bottom surface. Sealing strip 1 that sets up on the casing is not only thick but also soft, and flexible deformation takes place for user's facial profile, and the user's of laminating more face improves when wearing the travelling comfort, can also improve the leakproofness. The sealing strip 1 may be positioned under the eyes to protect the mouth and nose, and may be positioned over the eyebrows on the forehead to protect the entire face of the user, including the mouth, nose and eyes. Set up dog 7 inside the casing, blocked user's chin by dog 7, thereby it is right the utility model discloses a wear and carry on spacingly. Through the setting of sealing strip 1 and dog 7, can be with the utility model discloses the setting is in correct position. The utility model provides a respirator not only provides filtering capability, but also can see through, and the cooperation of above-mentioned all parts forms an inclosed respiratory, acts as the medical respiratory protection device of filtration and perspective.

The utility model provides a double-deck transparent frustum body gauze mask is a personal respiratory protection equipment, has respiratory protection and visual characteristics, and its application in the medical health field has characteristics such as prevent virus, visual (perspective), respiratory resistance low. The utility model discloses in, the casing is five cone structures, and openly and top are transparent, can see through, and left side, bottom and right side are provided with opaque filtering material. This translucent, semi-opaque cone may be secured to the user's face by a designed soft seal, frame, stop and elastic band 8.

The utility model discloses in, interior frustum 2 (transparent inner cover) and outer frustum 6 (transparent dustcoat) form double-deck cavity after the stack, have set up left surface, right flank and bottom surface, can make the area of contact increase of respirator and user's cheek and chin to improve the travelling comfort of wearing. The filter material is arranged in the double-layer structure of the left side surface, the right side surface and the bottom surface, so that the filter layer can not directly contact the face of a user. The whole shell adopts a cone structure, and gaps are reserved around the nose and the mouth to realize an easy and natural breathing area, so that the fogging is eliminated. On the inner side of the housing a stop 7 is provided for adding additional support, the stop 7 forming a complete support together with the sealing strip 1. This complete support allows our mask to be comfortably held in the desired position. The sealing strip 1 may be made of a soft material such as rubber, sponge, chemical composite material, etc. The transparent inner cover and the transparent outer cover may be made of a transparent material, such as a plastic film or the like. The filter layer is made of filter material, such as electrostatic polypropylene nonwoven fabric

Further, the present invention may also use chemical components or grease treatments within the housing to reduce fogging.

The utility model discloses can also print scanning sign indicating number 10 at the lateral surface of casing, perhaps at the lateral surface of filter layer, play the effect of sign.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a double-deck transparent frustum body gauze mask which characterized in that includes:

the mask body is used for covering the face of a user and comprises an outer frustum body and an inner frustum body, the outer frustum body is arranged on the outer side of the inner frustum body, the mask body comprises a front surface, a top surface, a side surface and a bottom surface, a filter layer is arranged between the outer frustum body and the inner frustum body and at a position corresponding to the side surface and/or the bottom surface to form an invisible structure, and the front surface and the top surface of the mask body are of visible structures;

the outer frustum body and the inner frustum body are both made of hard materials and form a frame-free structure capable of keeping the structure of the outer frustum body and the inner frustum body unchanged.

2. The double-layered transparent frustum mask according to claim 1,

the position of the outer frustum body, which is correspondingly provided with the filter layer, is provided with an outer frustum body filter hole;

the inner cone frustum body is provided with a filter hole corresponding to the filter layer.

3. The double-layered transparent frustum mask according to claim 1,

the inner side outer edge of the inner cone platform body is used for being attached to the face of a user, and a flexible sealing strip is arranged on the inner side outer edge of the inner cone platform body.

4. The double-layered transparent frustum mask according to claim 3,

an anti-sensitive layer is arranged on the outer side surface of the sealing strip;

the anti-sensitive layer is a Bundy cloth layer or anti-sensitive silica gel.

5. The double-layered transparent frustum mask according to claim 1,

and a stop block which can block the chin of a user and is used for limiting the wearing of the double-layer transparent frustum mask is arranged on the inner side of the inner frustum and corresponding to the bottom surface.

6. The double-layered transparent frustum mask according to claim 1,

the filter layer is of a multi-layer non-woven fabric structure.

7. The double-layered transparent frustum mask according to claim 1,

at least two elastic bands are arranged on the cover body.

8. The double-layered transparent frustum mask according to claim 3,

the inner frustum body and the outer frustum body are made of plastics;

the sealing strip is made of rubber or sponge;

the filter layer is made of electrostatic non-woven polypropylene fibers.

9. The double-layered transparent frustum mask according to any one of claims 1 to 8,

a visual mask plate is arranged outside the cover body and on the upper side of the cover body.